baltur BGN 100 DSPGN, Instructions Manual

Page: 14 / 48

14
DIAGRAM FOR MODULATING OR TWO-STAGE PROGRESSIVE GAS AND
DUAL FUEL BURNERS AT NOMINAL THERMAL POWER > 2000 Kw
N° 0002910611
DIAGRAM FOR MODULATING OR TWO-STAGE PROGRESSIVE GAS AND
DUAL FUEL BURNERS AT NOMINAL THERMAL POWER < 2000 Kw
N° 0002910640
1 - Ball cock
2 - Anti-vibration joint
3 - Filter
4 - Gas pressure reducer or stabilizer
5 - A couple of flange
6 - Minimum and maximum pressure switch
1 - Modulation Servomotor
2 - Deflector with air and gas supply rate adjuster screws
3 - Gas supply modulating throttler valve
4 - Safety valve
5 - Pilot gas valve
6 - Air pressure switch
7 - Seal control device (LDU) and pressure switch
8 - Connection between main valves for the
valve seal control device
9 - Minimum and maximum gas pressure switches
with pressure take-off
10 - Gas pressure regulator
11 - Filter
12 - Anti-vibration joint
13 - Ball valve
14 - Main flame gas valve
7 - Safety valve
9 - Principle flame valve
10- Servomotore regulator delivery (gas-air)
11- Disc with screw to regulate air and gas delivery
12- Air pressure switsh
13- Combustion head
14- Air regulation shutter
15- Ignition flame valve (pilot) with delivery regulator
D = Distance between pressure stabilizer and flange about 1,5 ÷ 2 m